Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 46-537 found under Heating Element Electrical Immer by Jensen Tools Inc. The National Stock Number assigned to this part is 2590013480638, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 46-537.